Durvet Penicillin Fish Antibiotic, 250 mg, 60 ct is a high-quality fish antibiotic that is specifically formulated to treat bacterial infections in fish. Each capsule contains 250 mg of penicillin, providing effective treatment for a variety of common fish infections. With a quantity of 60 capsules, this product is designed to provide a sufficient supply for multiple treatments. Trust Durvet Penicillin Fish Antibiotic to help keep your fish healthy and free from bacterial infections.